isUnlabelledFallback

This can be marked 'true' to indicate that some published $1 or $1 are intended to apply to all $1 published by the same merchant, when referenced by a $1 in those settings. It is not meaningful to use a 'true' value for this property alongside a transitTimeLabel (for $1) or shippingLabel (for $1), since this property is for use with unlabelled settings.

References